Powered by a powerful Xtensa 32-bit LX7 dual-core processor, clocked at up to 240 MHz. Supports 2.4GHz Wi-Fi (802.11b/g/n) and Bt 5(LE). Built-in 512KB SRAM and 384KB ROM stacked with 4MB Flash and 2MB PSRAM. It features a punch hole design and an integrated ceramic antenna, making it easy to integrate into the user-designed base plate. Supports flexible watch, independent module power adjustment and other controls to achieve a multi-scenario mode with low power consumption. Built-in USB serial port full speed controller that leads to 34 GPIOs to flexibly configure peripheral functions. Features 4xSPI, 2xI2C, 3xUART, 2xI2S, 2xADC and other peripherals. Based on for ESP32-S3, most pins run out in a small form factor using half-hole technology and can be welded to a custom board.